Handheld vacuum cleaner



FIG. 1 is a perspective view of a handheld vacuum cleaner incorporatingthe inventive design;

FIG. 2 is a top view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a front end view thereof;

FIG. 5 is a rear end view thereof;

FIG. 6 is a right view thereof; and,

FIG. 7 is a bottom view thereof.

I claim the ornamental design for a handheld vacuum cleaner, as shownand described.